How would amino acids and calcium ions from the bloodstream move across a cell membrane?
A) diffusion
B) osmosis
C) facilitated diffusion
D) active transport
C
Biology & Microbiology
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The inclusive term that describes all of the DNA in the nucleus of a cell is its
A. genome. B. chromosome. C. gene. D. proteome.
Biology & Microbiology
To control a disease in a population, 100% immunization is necessary
Indicate whether the statement is true or false.
Biology & Microbiology
Temporal and habitat isolation is classified as what type of reproductive barrier?
a. gametic barriers b. prezygotic barriers c. postzygotic barriers d. homozygotic barriers e. heterozygotic barriers
Biology & Microbiology
Why must organisms that spawn release huge numbers of eggs and sperm?
What will be an ideal response?
Biology & Microbiology